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Showing 1–6 of 6 results
Advanced filters: Author: V. Sazgari Clear advanced filters

  • Time-reversal symmetry breaking has been recently observed in the normal state of kagome superconductors AV3Sb5. Here the authors show that this effect is significantly enhanced near the surface of RbV3Sb5 and occurs at temperatures higher than the onset of charge order, indicating its tunability under zero-field conditions.

    • J. N. Graham
    • C. Mielke III
    • Z. Guguchia
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • Recently, time-reversal symmetry-breaking charge order was demonstrated in the AV3Sb5 (A = K, Rb, Cs) family of kagome superconductors. Here the authors extend this observation to the recently discovered kagome material ScV6Sn6 and discuss differences and similarities to other charge-ordered kagome lattices.

    • Z. Guguchia
    • D. J. Gawryluk
    • H. Luetkens
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • Ta2V3.1Si0.9 is an interesting kagome superconductor with a record-high critical temperature of 7.5 K for kagome metals at ambient pressure. Here, muon spin rotation measurements reveal an unusual paramagnetic shift in response to external magnetic fields and an exceptionally dilute superfluid density despite the high TC, signalling the unconventional nature of superconductivity.

    • J. N. Graham
    • H. Liu
    • Z. Guguchia
    ResearchOpen Access
    Communications Materials
    Volume: 5, P: 1-7

  • The study focuses on the charge order in LaRu3Si2, a material with a kagome lattice structure, discovering a charge-ordered state that persists at or above room temperature. This finding classifies LaRu3Si2 as the kagome superconductor with the highest charge ordering temperature, suggesting potential for applications in devices operating at normal environmental conditions without the need for cooling.

    • I. Plokhikh
    • C. Mielke III
    • Z. Guguchia
    ResearchOpen Access
    Communications Physics
    Volume: 7, P: 1-8

  • Vacancies or defects are structural features of the crystal lattice that can be used to engineer the physical properties of a solid-state system, and have played an important role in the investigation of quantum materials. Here, the authors apply muon spin rotation to explore the suppression of vacancy ordering in Rh-doped Ir1−xRhxSb and discuss the potential presence of unconventional superconductivity in the system.

    • V. Sazgari
    • T. P. Ying
    • Z. Guguchia
    ResearchOpen Access
    Communications Physics
    Volume: 7, P: 1-7